diff --git a/.github/workflows/plugin-artifact-for-pr.yml b/.github/workflows/plugin-artifact-for-pr.yml
index 066e04c0..4e44036d 100644
--- a/.github/workflows/plugin-artifact-for-pr.yml
+++ b/.github/workflows/plugin-artifact-for-pr.yml
@@ -39,10 +39,35 @@ jobs:
             const runId = context.runId;
             const artifactUrl = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${runId}`;
             const slug = process.env.PLUGIN_SLUG;
-            const body = `ℹ️ [Download the ${slug} plugin artifact from this workflow run](${artifactUrl}) (see the 'Artifacts' section at the bottom).`;
-            await github.rest.issues.createComment({
+            const body = `ℹ️ [Download the latest ${slug} plugin artifact from this workflow run](${artifactUrl})\n\n(See the 'Artifacts' section at the bottom).`;
+            
+            // Find existing comment from this bot
+            const comments = await github.rest.issues.listComments({
               issue_number: pr.number,
               owner: context.repo.owner,
-              repo: context.repo.repo,
-              body
+              repo: context.repo.repo
             });
+            
+            const botComment = comments.data.find(comment => 
+              comment.user.type === 'Bot' && 
+              comment.user.login === 'github-actions[bot]' &&
+              comment.body.includes(`Download the latest ${slug} plugin artifact`)
+            );
+            
+            if (botComment) {
+              // Update existing comment
+              await github.rest.issues.updateComment({
+                comment_id: botComment.id,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body
+              });
+            } else {
+              // Create new comment
+              await github.rest.issues.createComment({
+                issue_number: pr.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body
+              });
+            }
diff --git a/plugins/wp-graphql-headless-webhooks/README.md b/plugins/wp-graphql-headless-webhooks/README.md
index a3b09a08..0b494b4c 100644
--- a/plugins/wp-graphql-headless-webhooks/README.md
+++ b/plugins/wp-graphql-headless-webhooks/README.md
@@ -1,5 +1,5 @@
 # WPGraphQL Headless Webhooks
-
+<!-- Test to trigger workflow - can be removed after testing -->
 ## Overview
 
 A WordPress plugin that extends [WPGraphQL](https://www.wpgraphql.com/) to support webhook subscriptions and dispatching for headless WordPress environments. This allows external applications to listen and respond to WordPress content changes through GraphQL-driven webhook events.